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Monday, August 4, 2014

shhh... A Big Secret...No Wave Overhead, Just In Your Face.

From previous episodes of Amnesia's Dream,

Tt=xgT3T3t

and so,

dT(t)dtT(x)=xgTt(2Tt2)

From the wave equation,

dT(t)dtT(x)=xgTt(v22Tx2)

dT(t)dtT(x)=xgT{2vdvdt2Tx2+v22x2(Tt)}

If we assume that acceleration is wholly due to gT,

dvdt=gT

dT(t)dtT(x)=xgT{2vgTT(t)d2T(x)dx2+v22x2(T(x)dT(t)dt)}

dT(t)dtT(x)=xgT{2vgTT(t)d2T(x)dx2+v2dT(t)dtd2T(x)dx2}

dT(t)dtT(x)=2xvT(t)d2T(x)dx2+dT(t)dtv2xgTd2T(x)dx2

Compare this with,

T(x)=v2xgTd2T(x)dx2

this suggests,

2xvT(t)d2T(x)dx2=2xv2Tx2=2xv2Tt2=0

which might mean,

2Tx2=2Tt2=0

then there is no wave in the radial direction, not of the form T=T(t)T(x).  Just attenuation.